YH

Yumiko Hidaka

Canon: 14 patents #4,747 of 19,416Top 25%
Overall (All Time): #355,916 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7098944 Image processing apparatus and method Yoshinobu Shiraiwa, Yoshiro Udagawa, Kenji Takahashi, Eiichiro Ikeda 2006-08-29
6954213 Objective automated color matching between input and output devices Toshiyuki Mizuno, Yoshinobu Shiraiwa 2005-10-11
6654491 Method and apparatus for processing an image, and recording medium 2003-11-25
6614555 Image processing apparatus and method for matching the color appearance between a material color and a light source color 2003-09-02
6567543 Image processing apparatus, image processing method, storage medium for storing image processing method, and environment light measurement apparatus Yoshinobu Shiraiwa, Toshiyuki Mizuno 2003-05-20
6453066 Image processing method and image processing apparatus Yoshinobu Shiraiwa, Toshiyuki Mizuno 2002-09-17
6388769 Luminance conversion of material color and light source color 2002-05-14
6373596 Luminance conversion of light source color into material color 2002-04-16
6373531 Image processing apparatus, method, and recording medium for performing color correction suitable for matching ambient light for different types of output devices Toshiyuki Mizuno, Yoshinobu Shiraiwa 2002-04-16
6344900 Image processing apparatus, method and recording system for providing color matching between a light source and a material color 2002-02-05
6320980 Image processing apparatus and method, and recording medium 2001-11-20
6240204 Image data conversion on the basis of observation light of an output image Toshiyuki Mizuno, Yoshinobu Shiraiwa 2001-05-29
6160579 Image processing apparatus and method Yoshinobu Shiraiwa, Yoshiro Udagawa, Kenji Takahashi, Eiichiro Ikeda 2000-12-12
6118455 Image processing apparatus and method for performing a color matching process so as to match color appearances of a predetermined color matching mode Toshiyuki Mizuno, Yoshinobu Shiraiwa 2000-09-12